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<p>The present article discusses an advanced heuristic-based method for optimal allocation of phasor measurement units (PMUs) in power systems. The objective is to provide entire system observability while trying to achieve maximum total observability count. The advantage of the suggested approach is that it gives the optimal locations of PMUs discarding the pruning operation that has been utilized by some other heuristic approaches. The optimal PMU placement problem is solved utilizing a few advanced heuristics and the concept of extra bus observability index. The suggested framework also includes the presence of zero injection buses as virtual measurements while determining the optimal locations. Contingency cases, such as a single PMU outage, have also been discussed. Simulation results have been performed on various IEEE benchmark test systems, i.e. 14, 30, 57, 118 bus systems and one Indian practical utility, i.e. 246 bus system of Northern Regional Power Grid. The obtained results are further compared with some popular recent approaches. Results show that the suggested method is better or at par with the other approaches compared with.</p>

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An advanced heuristic-based framework for optimal PMU placements in power systems

  • 期刊论文

  • 发表日期：

    2025年7月8日

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  • B K Saha Roy,
  • S Kundu,
  • M Alam,
  • S S Thakur

摘要

The present article discusses an advanced heuristic-based method for optimal allocation of phasor measurement units (PMUs) in power systems. The objective is to provide entire system observability while trying to achieve maximum total observability count. The advantage of the suggested approach is that it gives the optimal locations of PMUs discarding the pruning operation that has been utilized by some other heuristic approaches. The optimal PMU placement problem is solved utilizing a few advanced heuristics and the concept of extra bus observability index. The suggested framework also includes the presence of zero injection buses as virtual measurements while determining the optimal locations. Contingency cases, such as a single PMU outage, have also been discussed. Simulation results have been performed on various IEEE benchmark test systems, i.e. 14, 30, 57, 118 bus systems and one Indian practical utility, i.e. 246 bus system of Northern Regional Power Grid. The obtained results are further compared with some popular recent approaches. Results show that the suggested method is better or at par with the other approaches compared with.